Find the Mean of the Distribution Shown $\begin{array}{|l|c|c|}\hline \mathrm{x} & 1 & 2 \\\hline \mathrm{P}(\mathrm{x}) & 0.48 & 0.52 \\\hline\end{array}$

question 66

Multiple Choice

Find the mean of the distribution shown .
$\begin{array}{|l|c|c|}\hline \mathrm{x} & 1 & 2 \\\hline \mathrm{P}(\mathrm{x}) & 0.48 & 0.52 \\\hline\end{array}$

• A) 0.79
• B) 1.25
• C) 1.01
• D) 1.52

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Definitions:

Variance

A metric indicating how spread out a group of numbers is, determined by the mean of the squared deviations from the average.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values in the dataset deviate from the mean.

Extreme Scores

Values in a data set that are significantly higher or lower than the majority of the data, potentially acting as outliers.

Variability

Indicates the extent to which data points in a data set differ from the mean or each other.